曼陀罗植株不同部位化感作用的比较研究

中国农学通报 ›› 2009, Vol. 25 ›› Issue (13): 99-102.

曼陀罗植株不同部位化感作用的比较研究

王红卫,程月琴,方向民,袁小巨

收稿日期:2009-03-24 修回日期:2009-05-06 出版日期:2009-07-05 发布日期:2009-07-05

Comparative Study on Allelopathy of Different Parts of Plant Datura Stramonium

Received:2009-03-24 Revised:2009-05-06 Online:2009-07-05 Published:2009-07-05

摘要/Abstract

摘要： 为了比较曼陀罗不同部位化感作用的差异，用蒸馏水分别浸提曼陀罗根、茎、叶的有效成分，以蒸馏水为对照，研究曼陀罗根、茎、叶浸提液对芝麻和粟种子萌发和幼苗生长的影响。结果表明，0.2g/ml曼陀罗叶浸提液处理时，芝麻和粟种子萌发率分别降低83%和83.3%，幼苗的根和茎则停止了生长； 0.4g/ml曼陀罗茎浸提液使芝麻和粟的萌发率降低27.6%和15.8%，幼苗根长降低93.3%和64.7%，幼苗茎长降低51.2和18.0%。0.4g/ml曼陀罗根浸提液使芝麻和粟种子萌发率降低31.2%和56.2%，幼苗根长降低75.1和15.0%。因此，曼陀罗叶浸提液强烈抑制了芝麻和粟的种子萌发和幼苗生长，茎浸提液和根浸提液也都存在一定的抑制效应，但都弱于叶浸提液。

关键词: 茉莉花, 茉莉花, 主虫害, 防治研究

Abstract: Abstract: To compare allelopathy of different parts of plant Datura Stramonium, the effective components from D. Stramonium root, stem and leaf were extracted with distilled water, and with the treatment with distilled water as CK, the effects of extracted liquid from D. Stramonium root, stem and leaf on seed germination and seedling growth of sesame and millet were studied. The results showed, after treatment by 0.2 g/ml extracted liquid from D. Stramonium leaf, the seed germination rates of sesame and millet were decreased by 83.0% and 83.3% than that of CK respectively, the root and shoot growth of seedling stopped; 0.4 g/ml extracted liquid from D. Stramonium stem decreased the seed germination rates of sesame and millet by 27.6% and 15.8%, root length of sesame and millet seedling by 93.3% and 64.7%, and shoot length of sesame and millet seedling by 51.2% and 18.0% than that of CK respectively. 0.4 g/ml extracted liquid from D. Stramonium root decreased the seed germination of sesame and millet by 31.2% and 56.2%, root length of sesame and millet seedling by 75.1% and 15.0% than that of CK respectively. So the extracts of D. Stramonium leaf had the strong inhibition on the seed germination and seedling growth of sesame and millet, and the extracted liquid from D. Stramonium stem and root also showed lighter inhibiting effects than that from leaf.

王红卫,程月琴,方向民,袁小巨. 曼陀罗植株不同部位化感作用的比较研究[J]. 中国农学通报, 2009, 25(13): 99-102.

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